fix

controller/contract/register.go

@@ -3892,7 +3892,7 @@ func (rg *RegisterController) CheckContractDuplicate(c *gin.Context) {
 		return
 	}
 
-	existCond = ` AND a.contract_type = ? AND a.has_payment`
+	existCond = ` AND a.contract_type = ? AND a.has_payment = ?`
 	existPars = append(existPars, req.CompanyName, req.HasPayment)
 
 	data := fms.CheckContractDuplicateResp{